| Acronym | Meaning |
| BP | Centigrade |
| OFTDS | Orbital Flight Test Data System |
| PGR | SPacelab Planning And Ground Rule |
| SB | Synchronization Bit |
| ESDU | Event Storage And Distribution Unit |
| OMET | Orbiter Mission Elapsed Time |
| IGS | Inertial Guidance System |
| DBGMP | DBWData Bus Wire |
| MTE | Multisystem Test Equipment |
| BCWP | Budget Costs For Work Performed |